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| author | Wei Yongjun | 2013-10-25 11:34:03 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2013-11-29 17:20:06 +0100 |
| commit | 89f4d45b2752df5d222b5f63919ce59e2d8afaf4 (patch) | |
| tree | 609282c33e05aad1295509b8ff442b0a3e7e070f /drivers/media | |
| parent | [media] bttv: don't setup the controls if there are no video devices (diff) | |
| download | kernel-qcow2-linux-89f4d45b2752df5d222b5f63919ce59e2d8afaf4.tar.gz kernel-qcow2-linux-89f4d45b2752df5d222b5f63919ce59e2d8afaf4.tar.xz kernel-qcow2-linux-89f4d45b2752df5d222b5f63919ce59e2d8afaf4.zip | |
[media] saa7164: fix return value check in saa7164_initdev()
In case of error, the function kthread_run() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/pci/saa7164/saa7164-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c index 57ef5456f1e8..1bf06970ca3e 100644 --- a/drivers/media/pci/saa7164/saa7164-core.c +++ b/drivers/media/pci/saa7164/saa7164-core.c @@ -1354,9 +1354,11 @@ static int saa7164_initdev(struct pci_dev *pci_dev, if (fw_debug) { dev->kthread = kthread_run(saa7164_thread_function, dev, "saa7164 debug"); - if (!dev->kthread) + if (IS_ERR(dev->kthread)) { + dev->kthread = NULL; printk(KERN_ERR "%s() Failed to create " "debug kernel thread\n", __func__); + } } } /* != BOARD_UNKNOWN */ |